The third lesson in the three-part series on HIV/AIDS and other STDs considers how these diseases are passed, how to protect against them, and risky and safe behaviors. The discussion of condom use and sexual behaviors are explicit.

This first lesson on sexually transmitted diseases focuses on germs, what they are, how they travel, and methods of protecting oneself from germs.

Sexually transmitted diseases (STDS) are the focus of a lesson that examines different types of STDs, how to avoid catching or transmitting these diseases, identifying the symptoms of STDs, and reporting procedures.

A instructional activity looks closely at risky behavior such as teen pregnancy and sexually transmitted diseases. Middle schoolers use a question box to ask questions anonymously. They role-play what life would be like if they became...